The Spamcop blacklist is very accurate, usually blocking more than 50% of spam. It works well in conjunction with Spamhaus ZEN, adding another 3-4% of spam blocking on top of ZEN's existing effectiveness.

For more information on Spamcop, read the DNSBL.com review here.

View the Data Interpretation Guide for a quick overview of how this data is compiled. For a more detailed understanding of what constitutes spam and ham (non-spam), this page provides further insight.

For more information on blacklists, vist DNSBL Resource Stats Center or Main Website.

This page was last updated: Sun Jun 15 13:43:30 PDT 2008.